| http://www.w3.org/ns/prov#value | - Syphilis can be transmitted by contact with this ulcer or other infectious sores that In this first stage, syphilis causes a painless ulcer called a chancre, usually in the. ??? ???InteliHealth:???, Syphilis is an STD that, if it goes untreated, can lead to serious health problems. ??? ???Syphilis???, Syphilis is a ***ually transmitted disease (STD) caused by a bacterium (Treponema pallidum) Early
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